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bh=qsGVIC41HDalGoHN3eDwDtBTI6dMXbAdP5OWRu78vaU=; b=AcwS0FvTF0YGCsW4vlJCAlrstHadUzRpryajZzCLdMS33b2r8a+zuZmw9y7lI+T1 dQn1y+YDDnfhkZKGMo+EaCA0tq9xH23sOcxfDNCcYuhqsXe5oU8hd1qfn97or7k5vNo YZbZJb/lr856P+0dUnahsfB86t5hboEu/mnwqo9s= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=hsbnp7p3ensaochzwyq5wwmceodymuwv; d=amazonses.com; t=1599812509; h=MIME-Version:Content-Type:Content-Transfer-Encoding:Date:From:To:Cc:Subject:In-Reply-To:References:Message-ID:Feedback-ID; bh=qsGVIC41HDalGoHN3eDwDtBTI6dMXbAdP5OWRu78vaU=; b=ioH8CIwoxKySAc9tQgoEiakDnPlD0hhqloQTOh8OWfdkvmfNQc6MDBAzhtGP1MEe KsCudXyBF8Ca1NuDD6ESr+taOSlTuxPhFn+FBifeAW7U0FgARH5hBUqunVJJBIow7Cv puoiyMbUd4/K0Q0pJrZdEfyeYlZNOWM5fI53tOls= MIME-Version: 1.0 Date: Fri, 11 Sep 2020 08:21:49 +0000 From: Sai Prakash Ranjan To: Bjorn Andersson Subject: Re: [PATCH v3 3/8] iommu/arm-smmu: Consult context bank allocator for identify domains In-Reply-To: <20200904155513.282067-4-bjorn.andersson@linaro.org> References: <20200904155513.282067-1-bjorn.andersson@linaro.org> <20200904155513.282067-4-bjorn.andersson@linaro.org> Message-ID: <010101747c41a010-c42a0d16-54aa-492d-b535-397fc61269b7-000000@us-west-2.amazonses.com> X-Sender: saiprakash.ranjan@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 X-SES-Outgoing: 2020.09.11-54.240.27.21 Feedback-ID: 1.us-west-2.CZuq2qbDmUIuT3qdvXlRHZZCpfZqZ4GtG9v3VKgRyF0=:AmazonSES X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200911_042153_669162_4E0A53E5 X-CRM114-Status: GOOD ( 11.69 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rob Clark , Will Deacon , Joerg Roedel , iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Jordan Crouse , Sibi Sankar , linux-arm-msm@vger.kernel.org, Robin Murphy , linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 2020-09-04 21:25, Bjorn Andersson wrote: > For implementations of the ARM SMMU where stream mappings of bypass > type > are prohibited identity domains can be implemented by using context > banks with translation disabled. > > Postpone the decision to skip allocating a context bank until the > implementation specific context bank allocator has been consulted and > if > it decides to use a context bank for the identity map, don't enable > translation (i.e. omit ARM_SMMU_SCTLR_M). > > Signed-off-by: Bjorn Andersson > --- > Minor nit in the subject: identify -> identity Reviewed-by: Sai Prakash Ranjan Tested-by: Sai Prakash Ranjan -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel